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已有 2536 次阅读 2017-2-1 07:16 |个人分类:科学感想|系统分类:博客资讯
为什么地球的磁极要交换地方,以及它如何可能影响我们?
phys.org
› Astronomy & Space
› Space Exploration
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The Earth's magnetic field surrounds our planet like an invisible force field - protecting life from harmful solar radiation by deflecting charged particles away. Far from being constant, this field is continuously changing. Indeed, our plan
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